Thermador Induction Hob Error CONNECTION-ERROR
⚡ Quick Answer: The Thermador Induction Hob CONNECTION-ERROR indicates a communication failure between the control board and the induction coils. This error may cause... ✅ DIY Fixable
What Does Error CONNECTION-ERROR Mean?
The Thermador Induction Hob CONNECTION-ERROR indicates a communication failure between the control board and the induction coils. This error may cause the cooktop to display flickering screens or become unresponsive. It typically arises when the hob fails an internal communication check, impacting its normal operation.
Common Symptoms:
- Error is displayed and the cooktop may not operate normally
- Appears when the hob attempts or fails an internal communication check
Possible Causes
- Control Board
- Induction Coil
- Wiring Harness
How to Fix Error CONNECTION-ERROR
DIY Fix Power cycle the induction hob
- Turn off the cooktop via its power switch or circuit breaker.
- Wait at least 30 seconds to allow internal components to discharge.
- Turn the power back on and observe if the error clears.
Technician Only Check internal connections and control boards
- Inspect internal wiring harnesses and connectors for signs of looseness or damage.
- Verify inter-board communication connectors are seated correctly.
- Use service diagnostic tools to check for communication faults between control modules.
Parts needed: Control board harnesses, Communication bus connectors
- If the error persists after power cycling
- If the cooktop fails to heat or shows additional faults
- If any burning smell, smoke, or unusual noises are present
Next step
Choose the next step for CONNECTION-ERROR
Confirm the diagnosis before ordering. An error code can identify the system involved, but it does not prove that a specific part has failed.
Most relevant component to inspect
Wiring Harness
Connects controls, sensors, motors, and other electrical components inside the appliance.
- Typical part-only price
- $20 - $120
- DIY difficulty
- Medium
- Estimated time
- 30-90 mins
Where can I find the model number?
Check the rating label around the door, lid, frame, rear panel, or inside the appliance cabinet. Use the complete model number, including suffixes.
Verify the complete model and part number on the retailer's compatibility page before ordering.
Other parts options
Check related components first; use model search as a fallback.
Induction Heating Coil
Generates electromagnetic energy to heat pots and pans directly.
Model-compatible Induction Hob parts
Enter the complete model number to browse compatible replacement parts. This is a model-based parts search, not a diagnosis that a specific component failed.
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Technical Specifications
| wattage | 3600W |
|---|---|
| component | Control Board |
| resistance | 3-5 ohms |
| part_number | T30-001 |
| voltage_rating | 240V AC |
Common Questions
What does CONNECTION-ERROR error mean on Thermador Induction Hob?
It indicates a communication failure between the control board and induction coils, affecting the cooktop's operation.
Can I fix Thermador Induction Hob CONNECTION-ERROR error myself?
Yes, try power cycling the hob by turning it off for 30 seconds and then back on.
How much does it cost to fix CONNECTION-ERROR error?
Repair costs can vary, typically ranging from $100 to $300 for diagnostics and minor repairs.
When should I call a technician for CONNECTION-ERROR?
Call a technician if the error persists after power cycling, if the cooktop fails to heat, or if you notice unusual smells or noises.
Sources & References
Data last verified: 2026-07-22
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